All Mammals Obey Law of Urination

An elephant can hold more than 40 gallons of urine in it's giant bladder. And you'd think it would take a long time to empty a bladder that big, but you'd be wrong! It actually takes an elephant no longer than almost any other mammal in the animal kingdom. Why? Anthony explains.

An elephant can hold more than 40 gallons of urine in it's giant bladder. And you'd think it would take a long time to empty a bladder that big, but you'd be wrong! It actually takes an elephant no longer than almost any other mammal in the animal kingdom. Why? Anthony explains.